Advanced Function Instruction
7 -11 5
FUN 139
HSPW M
HIGH SPEED PULSE WIDTH MODULATION OUTPUT
FUN 139
HSPW M
(2).Pn ( Output frequency ) = 50, Rs = 0 ( 1/100 ), OR ( Output pulse width ) = 50 :
Example 2 : If Pn ( Setting of output frequency ) = 200, Rs = 1( 1/1000 ), then
)
1
+
200
(
18432
=
f
pwm
9 1 . 7 H z
≒
T( P e r i o d ) =
pwm
f
1
1 0 . 9m S
≒
For Rs = 1/1000, if OR( Setting of output pulse width ) = 10, then T0
≒
109uS; if OR( Setting of output pulse
width ) = 800, then To
≒
8.72mS
.Output waveform :
(1).Pn ( Output frequency ) = 200, Rs = 1 ( 1/1000 ), OR ( Output pulse width ) = 10 :
(2).Pn ( Output frequency ) = 200, Rs = 1 ( 1/1000 ), OR ( Output pulse width ) = 800 :
